Consider two charged parallel plates that are separated by a distance of 2 m i an electric charge of magnitude -1.2x10-15 C enters through a small hole in the negative plate and moves towards the positive plate. The speed of the negativ charge near the left plate is 4×10°m ·s', as shown in the figure given below. As that the electric field between the plates is uniform and the potential differenc between the plates is 200 V. The approximate speed of the charged particlewh has covered a distance of 1 m from the left plate is: (Consider the mass of cha •S particle, m = 6x10* kg) -23 Q. 2 m 2.25x10° m -s¯ -1 3.65×10° m·s 4.05×10° m-s -1 4.5x10° m-s -1

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.